This document discusses various processes of word formation in linguistics, including compounding, affixation, blending, derivation, borrowing, clipping, imitation of sounds, and the first-sister principle. It provides examples for each type of word formation and briefly defines key terms such as compound adjectives, compound nouns, compound verbs, derivation, etymology, and similative constructions. The document examines both the synchronic and diachronic study of language and contrasts derivation with inflection.